There are four available pass frequencies:
50Hz, 200Hz, 300Hz, and 400Hz.
The higher the frequency the more limited the audio bandwidth. For highest fidelity for
listening, select 50Hz. The filter selection can be set to automode to select the proper filter
setting automatically.
The default is AUTO.
To access the configuration menu, push the FUNC key and then push the 7 key.
Push the down arrow key to move the cursor to "HPF" selection point.
This menu is to configure the high pass filter.
Use the main tuning dial or the right arrow key or the left arrow key to select the desired
high
59